InChI=1S/C22H28O3/c1-14-7-8-18-16(6-5-10-21(18,2)3)20-17(14)13-25-22(24-4)11-9-15(23)12-19(20)22/h9,11-12,14H,5-8,10,13H2,1-4H3/t14-,22+/m0/s1